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Anti-loosening screw with elasticity

An anti-loosening and screw technology, applied in the directions of screws, nuts, bolts, etc., can solve the problems of difficult production of limit sleeves, difficult to widely promote, etc., and achieve the effects of low manufacturing cost, convenient use and strong anti-loosening ability.

Inactive Publication Date: 2012-11-14
李素莲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The limit sleeve of this utility model is relatively difficult to produce, so it is difficult to widely promote

Method used

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  • Anti-loosening screw with elasticity
  • Anti-loosening screw with elasticity
  • Anti-loosening screw with elasticity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0022] Such as Figure 1-3 As shown, the elastic anti-loosening screw includes a screw 1 provided with a longitudinal groove 3, a screw head 2 and a latch, the latch is made of elastic rubber, the latch includes a latch head 6 and a latch tail 5, and the latch tail 5 Teeth 7 are arranged on it, and the thread of the nut 4 matched with the screw rod 1 can be engaged with each other.

[0023] During operation, press the pin made of elastic rubber, push the pin from the groove 3 until the tooth 7 of the pin is aligned with the thread on the nut 4, then the hand is locked, the pin springs up, and the tooth 7 is threaded with the nut 4 The nut 4 is fixed, and when it is necessary to loosen the nut, press the latch and take out the latch.

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Abstract

The invention discloses an anti-loosening screw with elasticity. The anti-loosening screw with elasticity comprises a screw (1) and an inserted pin, wherein the screw (1) is provided with a longitudinal groove (3), and the inserted pin is arranged in the groove (3). The anti-loosening screw is characterized in that the inserted pin is made of an elastic material and comprises an inserted pin head (6) and an inserted pin tail (5), the inserted pin tail (5) is provided with teeth (7), and the teeth (7) can be meshed with a thread of a nut (4) matched with the screw (1). The bottom of the U-shaped inserted pin is further provided with an elastic part. The anti-loosening screw is convenient to use, and the inserted pin cannot be blocked, can be inserted or quitted easily at any time, does not need rotating and facilitates use.

Description

technical field [0001] The invention relates to a screw anti-loosening device, in particular to an elastic anti-loosening screw. Background technique [0002] As a kind of fasteners in current production, screws are widely used in various industries. However, during use, the vibration of the equipment or the infiltration of external oil stains often cause the nuts of the screws and nuts to fall off, resulting in mechanical failure. Failure or even a major safety accident, people have thought of adopting various methods to prevent the screws from loosening. Now there are many kinds of anti-loosening screws on the market. For example, the thread on the screw is designed to be thinner, and the hole of the nut is made smaller to enhance the impact resistance of the screw. However, the production cost of the screw is relatively high. It is more laborious to use. [0003] Regarding the anti-loosening screws and methods, we retrieved the following public documents, for example: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B39/06F16B19/02
Inventor 李素莲
Owner 李素莲